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Cribriform plate width is highly variable within and between subjects.

Daniel H Coelho1, Taylor S Pence2, Mostafa Abdel-Hamid2

  • 1Department of Otolaryngology - Head & Neck Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA, United States; Department of Physiology and Biophysics, Virginia Commonwealth University School of Medicine, Richmond, VA, United States.

Auris, Nasus, Larynx
|February 18, 2018
PubMed
Summary
This summary is machine-generated.

Anatomical variations of the cribriform plate exist in both length and width between individuals. Understanding these cribriform plate dimensions is crucial for successful endonasal surgery and preventing complications.

Keywords:
AnatomyAnterior cranial fossaAsymmetryEthmoid boneHumanMorphometricOlfactory fossaOsteologySkull base

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Area of Science:

  • Anatomy
  • Surgical Anatomy
  • Skull Base Anatomy

Background:

  • Successful endonasal surgery, including functional endoscopic sinus surgery (FESS), relies on detailed anatomical knowledge.
  • Understanding patient-specific anatomical variations is critical for preventing surgical complications.

Purpose of the Study:

  • To characterize the anatomical variations of the cribriform plate in a large cadaveric sample.
  • To improve understanding of cribriform plate disparities for enhanced surgical planning.

Main Methods:

  • Examination of 31 whole human skull specimens (62 sides).
  • Obtained dimensional measurements of the cribriform plate's length and width on both right and left sides.

Main Results:

  • Average cribriform plate length was 21.28mm (range 15.25-27.73mm).
  • Average cribriform plate width (including crista galli) was 4.53mm (range 1.75-8.03mm).
  • Greater variability was observed in width (RSD 26.4%) compared to length (RSD 15.5%).

Conclusions:

  • Significant anatomical variation exists in both cribriform plate length and width among individuals.
  • Width variations are particularly notable.
  • Highlights the importance of pre-operative imaging and recognizing anatomical variability in anterior skull base and sinus procedures.